>>185
youtube-dl --hls-prefer-native https://vod01-gyao.c.yimg.jp/4235717419001/5635975677001/4235717419001_5635975677001_5635970114001.m3u8
↑こう入れまして、↓こんな感じです

[generic] 4235717419001_5635975677001_5635970114001: Requesting header
[generic] 4235717419001_5635975677001_5635970114001: Downloading m3u8 information
[hlsnative] Downloading m3u8 manifest
WARNING: hlsnative has detected features it does not support, extraction will be delegated to ffmpeg
[download] Destination: 4235717419001_5635975677001_5635970114001-4235717419001_5635975677001_5635970114001.mp4
ffmpeg version 3.4 Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 7.0.2 (clang-700.1.81)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample
--cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma
libavutil 55. 78.100 / 55. 78.100
libavcodec 57.107.100 / 57.107.100
libavformat 57. 83.100 / 57. 83.100
libavdevice 57. 10.100 / 57. 10.100
libavfilter 6.107.100 / 6.107.100
libavresample 3. 7. 0 / 3. 7. 0
libswscale 4. 8.100 / 4. 8.100
libswresample 2. 9.100 / 2. 9.100
libpostproc 54. 7.100 / 54. 7.100


（省略）


[hls,applehttp @ 0x7fad2a803600] Opening 'crypto+https://vod01-gyao.c.yimg.jp/4235717419001/5635975677001/4235717419001_5635975677001_5635970114001-22.ts' for reading
frame= 6435 fps=217 q=-1.0 size= 89600kB time=00:03:34.45 bitrate=3422.6kbits/[tls @ 0x7fad2971a660] IO Error: -9806
Last message repeated 2 times
[hls,applehttp @ 0x7fad2a803600] Opening 'crypto+https://vod01-gyao.c.yimg.jp/4235717419001/5635975677001/4235717419001_5635975677001_5635970114001-23.ts' for reading
[mpegts @ 0x7fad2b003a00] PES packet size mismatch
frame= 6601 fps=219 q=-1.0 size= 91648kB time=00:03:40.02 bitrate=3412.2kbits/[AVBSFContext @ 0x7fad29628440] Error parsing ADTS frame header!
[AVBSFContext @ 0x7fad29628440] Failed to send packet to filter aac_adtstoasc for stream 0
av_interleaved_write_frame(): Invalid data found when processing input
frame= 6601 fps=218 q=-1.0 Lsize= 92164kB time=00:03:40.02 bitrate=3431.4kbits/s speed=7.28x
video:88490kB audio:3501kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.188116%
Conversion failed!


ERROR: ffmpeg exited with code 1

--force-generic-extractorと併せて試したりもしたんですけど、同じっぽかったです
自前で落とすオプションもダウンロード方法を強制するオプションも駄目、ってことですよね
まあとか言ってさっぱりわかんないんですけど...